2683 5
2683 0
2682 2
2682 3
2681 2
2680 1
2679 0
2679 3
2678 0
2677 3
2677 2
2676 4
2675 2
2675 3
2675 1
2675 4
2672 1
2672 3
2671 7
2671 5
2669 3